In my native language they say:
A L' E' INUTIL INSEGNA' AL MUS, SI PIART TIMP E IN PLUI SI INFASTIDIS LA BESTIE!!
(translated) There is no gain in teaching the donkey, you waste your time and annoy the beast

Love is an open wound,
each time you think an hand
has come for that to heal,
it's about time it starts to bleed
Again. And you fall in the trapt
and starts loving again
only to get bigger the pain.

__________________

In my native language they say:
A L' E' INUTIL INSEGNA' AL MUS, SI PIART TIMP E IN PLUI SI INFASTIDIS LA BESTIE!!
(translated) There is no gain in teaching the donkey, you waste your time and annoy the beast

@Gaspa Have you seen the movie? It was quite known back then but you were probably still a toddler when it was shown. In case you haven't, the poem was recited out loud in class by Julia Stiles' character as an assignment. It was meant for Heath Ledger's character and he was also in class when it was recited. They were kind of mad at each other at this point of the movie, hence the theme of the poem. Anyways, I thought you might appreciate it more if you knew where the poem came from.

Love is an open wound,
each time you think an hand
has come for that to heal,
it's about time it starts to bleed